Home / 23,438,140.05-32,344,629.10-12,984,835.80

Finding the Fourth Proportional to 23,438,140.05, 32,344,629.10 and 12,984,835.80

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Solution

The fourth proportional to 23,438,140.05, 32,344,629.10 and 12,984,835.80 is: 17,919,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438,140.05 : 32,344,629.10 = 12,984,835.80 : x
  2. Step 2: Convert to fraction form
    23,438,140.05/32,344,629.10 = 12,984,835.80/x
  3. Step 3: Cross multiply
    23,438,140.05x = 32,344,629.10 × 12,984,835.80
  4. Step 4: Simplify right side
    23,438,140.05x = 419,989,697,900,485.81
  5. Step 5: Solve for x
    x = 419,989,697,900,485.81/23,438,140.05
  6. Step 6: Final answer
    x = 17,919,071.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.